i have two actors under the same superclass "Pedestrian". One of the actors is called villager and I want him to turn into a frog upon contact with the other actor called "EvilWitch".
Heres the code for the pedestrian superclass:
heres the code for villager:
and heres the code for the evil witch:
import greenfoot.*; // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)
/**
* A Pedestrian that tries to walk across the street
*/
public abstract class Pedestrian extends SuperSmoothMover
{
protected double speed;
protected double maxSpeed;
protected int direction; // direction is always -1 or 1, for moving down or up, respectively
protected boolean awake;
public Pedestrian()
{
this(1);
}
public Pedestrian(int direction) {
// choose a random speed
maxSpeed = Math.random() * 2 + 1;
speed = maxSpeed;
// start as awake
awake = true;
this.direction = direction;
}
/**
* Act - do whatever the Pedestrian wants to do. This method is called whenever
* the 'Act' or 'Run' button gets pressed in the environment.
*/
public void move()
{
// If there is a v
if (awake){
if (getOneObjectAtOffset(0, (int)(direction * getImage().getHeight()/2 + (int)(direction * speed)), Vehicle.class) == null){
//setLocation (getX(), getY() + (speed*direction));
setLocation(getPreciseX(), getPreciseY()+speed*direction);
}
if (direction == -1 && getY() < 100){
getWorld().removeObject(this);
} else if (direction == 1 && getY() > 550){
getWorld().removeObject(this);
}
}
}
/**
* Method to cause this Pedestrian to become knocked down - stop moving, turn onto side
*/
public void knockDown () {
speed = 0;
setRotation (90);
awake = false;
}
public void rooted ()
{
speed = maxSpeed/2;
}
public void frogged()
{
speed = maxSpeed/3;
}
public void grabbed()
{
}
/**
* Method to allow a downed Pedestrian to be healed
*/
public void healMe () {
speed = maxSpeed;
setRotation (0);
awake = true;
}
public boolean isAwake () {
return awake;
}
}
import greenfoot.*; // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)
/**
* Write a description of class Villager here.
*
* @author (your name)
* @version (a version number or a date)
*/
public class Villager extends Pedestrian
{
private GreenfootImage image;
public Villager(int dir)
{
super(dir);
image = getImage();
image.scale(image.getWidth() - 340, image.getHeight() - 340);
setImage(image);
}
/**
* Act - do whatever the Villager wants to do. This method is called whenever
* the 'Act' or 'Run' button gets pressed in the environment.
*/
public void act()
{
move();
}
public void rooted()
{
speed = maxSpeed/2;
image = new GreenfootImage("rootedvillager.png");
image.scale(image.getWidth() - 340, image.getHeight() - 340);
setImage(image);
}
public void frogged()
{
speed = maxSpeed/3;
image = new GreenfootImage("frog.png");
image.scale(image.getWidth() - 65, image.getHeight() - 65);
setImage(image);
}
public void grabbed()
{
}
}
import greenfoot.*; // (World, Actor, GreenfootImage, Greenfoot and MouseInfo)
/**
* Write a description of class EvilWitch here.
*
* @author (your name)
* @version (a version number or a date)
*/
public class EvilWitch extends Pedestrian
{
public EvilWitch(int dir)
{
super(dir);
GreenfootImage image = getImage();
image.scale(image.getWidth() - 280, image.getHeight() - 290);
setImage(image);
}
/**
* Act - do whatever the Villager wants to do. This method is called whenever
* the 'Act' or 'Run' button gets pressed in the environment.
*/
public void act()
{
move();
}
public boolean checkHitPedestrian () {
Villager v = (Villager)getOneObjectAtOffset((int)speed + getImage().getWidth()/2, 0, Villager.class);
if (v != null){
v.frogged();
return true;
}
return false;
}
}